| Acronym | Meaning |
| LSI | Large-Scale Integration |
| CSS | Cascading Style Sheets - Catalina Sky Survey - Central Security Service - Combat Service Support - Confederate States Ship - Content-scrambling System - Cross-site Scripting |
| G6 | Assistant Chief-of-Staff |
| FFE | Fukuoka Futures Exchange |
| OCO | Oort Cloud Object |
| SF | Fleet Submarine (retired US Navy Hull Classification) -San Francisco - Science Fiction -South Africa (FIPS 10-4 Country Code) -Speculative Fiction - Special Forces |
| NO | FEAR -Notification And Federal Employee Antidiscrimination Retaliation Act (2002) |
| UNEP | United Nations Environment Programme |
| CIR | (Commander's) Critical Information Requirements |
| NAD | Namibian Dollar (ISO 4217 Currency Code) |